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  1. ...initial vertical component of velocity s = (9.7*1.1) + ½(-9.8)(1.1)² s = 4.7 m Yes, the kick is successful (d) v = u +gt v = 9.7 + (-9.8)(1.1) v = -1.1 m/ s The negative sign shows that...

    1 Answers · Science & Mathematics · 27/10/2020

  2. ... abolished slavery. Since the founding of the U . S .A half of the U . S . had been anti-slavery, but...

    11 Answers · Politics & Government · 20/10/2020

  3. ...consider the ball being thrown down. We have u = 14.7, a = g = 9.8 and s = 19.6 Using s = ut + (1/2)at² we get: 19... upwards is in the air for 2.5 seconds longer :)>    

    2 Answers · Science & Mathematics · 11/10/2020

  4. ... metric units rather than U . S . customary units. (2) A...a = acceleration = 2.0 m/s² v = final velocity = to be determined...m/ s = 63.2 m/ s c) How long does it take for the plane...

    2 Answers · Science & Mathematics · 27/09/2020

  5. 6. v = u +at t = ( v - u )/a t = (0 - 1.5)/(-0.50) t = 3.0 s 7. F = ma m = F/a m = 5/10 m = 0.5 kg 8. F = ma a = ...

    1 Answers · Science & Mathematics · 20/09/2020

  6. ... abolished slavery. Since the founding of the U . S .A half of the U . S . had been anti-slavery, but...

    6 Answers · Politics & Government · 30/09/2020

  7. Initial velocity, u = 25 m/ s Final velocity, v = 0 m/ s Acceleration, a = -5.5 m/s² v = u + at 0 = 25 + (-5.5)t Time taken, t = 25/5.5 = 4.5 s

    3 Answers · Science & Mathematics · 16/09/2020

  8. v² = u² + 2as so, v² = 0² + 2(2.8)(54) Hence, v² = 302.4 => v = 17.4 m/ s       v = u + at so, 17.4 = 0 + 2.8t => t = 6.2 seconds :)>

    2 Answers · Science & Mathematics · 16/09/2020

  9. ...29.7 ms⁻¹....i.e. 29.7 ms⁻¹ downwards Using v = u + at, we have: -29.7 = 25 + (-g)t so, t = 54.7/g => 5.58 seconds :)>...

    3 Answers · Science & Mathematics · 11/09/2020

  10. v ^2 = u ^2 + 2as 0 = 30^2 + 2a x 45    a = - 10 m/ s ^2

    1 Answers · Science & Mathematics · 03/09/2020

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